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Testing Betteries
Thanks; I forgot to mention that.
"Doug Dotson" wrote in message ... These voltages are for liquid lead-acid batteries. Gels and AGMs are somewhat lower. My AGMs rest at 12.6v when fully charged. Doug s/v Callista "Garland Gray II" wrote in message news:IFEQb.11797$dd6.309@lakeread02... A battery test in an old Ample Power catalog was to charge to 14.4 volts and hold it there for an hour. Let it rest overnight, and then retest. 12.8 v & higher=good 12.6 to 12.7v=marginal 12.4 to 12.6v=very poor less than 12.4 v=worthless "Rick & Linda Bernard" wrote in message ... Anyone have a good way of testing 12V deep cycle batteries? What I was figuring on doing was using a 50watt 12V lightbulb and measuring voltage with time. The only problem is that this may take a few hours. |
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